0899a17ca5fa58f63b8ac988d2f9eaa35bb136c2a1256233eed37efd0f659fd9

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 18:05

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General

Target

mdac2.6.exe
Size

5.2MB
MD5

3b2828c8d9ccb479e86588bc8d96190b
SHA1

922ac9d47b7b6bdabcc27dcb37ed728b3cba92ba
SHA256

91605f8d309ad9497621c629c712e8ea3f6408775da49910a82b94b099a990c0
SHA512

74cbaa72e5a18d7753399e3da9c96d2c8b0150c9305e22f5b51233396e0abbbfc8505dbfc9c0553faa4d4c913283ea027934e04e5b17dadf5ff12c5c86a16a3f
SSDEEP

98304:EEghw9PCtLM5hNHMRIoLdxm6WvQgq7tlqG/w9e1nmEtGTDXUNiLYDFvuWM:9ghePf1GIoLdc65gq75oA1ZoPiiGFGWM

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1964	dasetup.exe

Loads dropped DLL 3 IoCs

pid	Process
2004	mdac2.6.exe
2004	mdac2.6.exe
2004	mdac2.6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	mdac2.6.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28
PID 2004 wrote to memory of 1964	2004	mdac2.6.exe	28

C:\Users\Admin\AppData\Local\Temp\mdac2.6.exe
"C:\Users\Admin\AppData\Local\Temp\mdac2.6.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dasetup.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dasetup.exe
  2⤵
  - Executes dropped EXE
  PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\IXP000.TMP\dasetup.exe

Filesize
317KB

MD5
f8c79ab534c4dc8d2d5e18597f1d5c1a

SHA1
ec76f98d5a81ec42db7774d490cb40262153701a

SHA256
3ce8ce4da3c9c423eac4bc9094ac6ae2248b6b39a93fc89791d8218723912a4b

SHA512
e125aa2e9074269aa464b858894ee08ee6d47662d9702ab607d41f92b42553c359d7d7eebdd7dd7e00a848286f97d7490da96314bb8feb4576bef350c3b1fce1

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\Users\Admin\AppData\Local\Temp\IXP000.TMP\setup.exe

Filesize
101KB

MD5
15e3feb9f30b6adc2017d571a0575a16

SHA1
423421fbe71a08ce3c41baf2f126e69d08d486d2

SHA256
e530b38a484301d37d748874208fe64f650fd7c7cb4d549629ce3471b4018d4a

SHA512
0a10687454849bf3d73a34ebc1f25e91559bf1fe22fda63152ec0b8739e7d3604a50ffa0cf547e12d5cebac63e720cca22818f76a819112435d5bd32afce0fc5

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads